using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Threading.Tasks;

namespace CarRentalSystem.IServers
{
    public interface ICarServices
    {
        public interface ICarServices<TEntity> where TEntity : class ,new()
    {
        //增删改查  1 row affected > 0

        //添加
        public Task<bool> CreateAsync(TEntity entity);

        //修改

        public Task<bool> UpdateAsync(TEntity entity);
        //删除
        public Task<bool> DeleteAsync(TEntity entity);

        //查:查单条-1.根据Id查，条件   查多条: 查所有，根据条件查多条
        public Task<TEntity> FindByIdAsync(int id);

        public Task<TEntity> FindOneAsync(Expression<Func<TEntity, bool>> exp);  //lambda:

        public Task<List<TEntity>> FindAllAsync();

        public Task<List<TEntity>> FindManyAsync(Expression<Func<TEntity, bool>> exp);
    }
   
    }
}